IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD
First Claim
1. An image processing apparatus comprising:
- a viewpoint setting unit configured to set, when a stereoscopic video image is provided that includes a left-eye parallax image and a right-eye parallax image having a predetermined parallax distribution and that is observed from a given viewpoint, a virtual viewpoint for observing a subject in the stereoscopic video image from another viewpoint; and
a parallax image generation unit configured to generate a left-eye parallax image and a right-eye parallax image for providing a desired parallax distribution obtained when an observation is made from the viewpoint set by the viewpoint setting unit, by shifting an image cut-out position of at least one of the left-eye parallax image or the right-eye parallax image,wherein, when a shift amount at the image cut-out position changes due to a change made in the position of the virtual viewpoint, the parallax image generation unit generates a parallax image while changing the shift amount in stages, from a shift amount obtained before the change to a shift amount obtained after the change.
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Abstract
A viewpoint position sets, when a stereoscopic video image is provided that includes a left-eye parallax image and a right-eye parallax image having a predetermined parallax distribution and that is observed from a given viewpoint, a virtual viewpoint for observing a subject from another viewpoint. A parallax image generation unit generates a left-eye and a right-eye parallax image for providing a desired parallax distribution that are obtained when an observation is made from the virtual viewpoint, by shifting the image cut-out position of at least one of the left-eye or the right-eye parallax image. When the shift amount at the image cut-out position changes due to a position change of the virtual viewpoint, the parallax image generation unit generates a parallax image while changing the shift amount in stages from a shift amount obtained before the change to a shift amount obtained after the change.
43 Citations
8 Claims
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1. An image processing apparatus comprising:
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a viewpoint setting unit configured to set, when a stereoscopic video image is provided that includes a left-eye parallax image and a right-eye parallax image having a predetermined parallax distribution and that is observed from a given viewpoint, a virtual viewpoint for observing a subject in the stereoscopic video image from another viewpoint; and a parallax image generation unit configured to generate a left-eye parallax image and a right-eye parallax image for providing a desired parallax distribution obtained when an observation is made from the viewpoint set by the viewpoint setting unit, by shifting an image cut-out position of at least one of the left-eye parallax image or the right-eye parallax image, wherein, when a shift amount at the image cut-out position changes due to a change made in the position of the virtual viewpoint, the parallax image generation unit generates a parallax image while changing the shift amount in stages, from a shift amount obtained before the change to a shift amount obtained after the change. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An image processing method for allowing a processor to:
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set, when a stereoscopic video image is provided that includes a left-eye parallax image and a right-eye parallax image having a predetermined parallax distribution and that is observed from a given viewpoint, a virtual viewpoint for observing a subject in the stereoscopic video image from another viewpoint; generate a left-eye parallax image and a right-eye parallax image for providing a desired parallax distribution when an observation is made from the viewpoint, by shifting an image cut-out position of one of the left-eye parallax image or the right-eye parallax image; and generate, when a shift amount at the cut-out position changes due to a change made in the position of the virtual viewpoint, a parallax image while changing the shift amount in stages, from a shift amount obtained before the change to a shift amount obtained after the change.
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8. A computer program embedded on a non-transitory computer-readable recording medium, comprising:
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a module configured to set, when a stereoscopic video image is provided that includes a left-eye parallax image and a right-eye parallax image having a predetermined parallax distribution and that is observed from a given viewpoint, a virtual viewpoint for observing a subject in the stereoscopic video image from another viewpoint; and a module configured to generate a left-eye parallax image and a right-eye parallax image for providing a desired parallax distribution obtained when an observation is made from the viewpoint, by shifting an image cut-out position of one of the left-eye parallax image or the right-eye parallax image and configured to generate, when a shift amount at the cut-out position changes due to a change made in the position of the virtual viewpoint, a parallax image while changing the shift amount in stages, from a shift amount obtained before the change to a shift amount obtained after the change.
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Specification